设
所在的平面
,
,PB、PC分别与
成45°和30°角,
,点P到BC的距离是_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ad8b5dd3e2b9691ad28519e2d84f483.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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20-21高一下·广东东莞·阶段练习 查看更多[4]
广东省东莞市东莞一中、东莞高级中学2020-2021学年高一下学期第二次质量检测数学试题(已下线)第18讲 基本图形位置关系(已下线)微专题17 空间中的五种距离问题(1)(已下线)重难点专题15 空间中的五种距离问题-【帮课堂】(苏教版2019必修第二册)
更新时间:2023-03-26 21:02:07
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【推荐2】已知
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【推荐1】四面体
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